Island of the Mad: A Novel of Suspense Featuring Mary Russell and Sherlock Holmes

The last thing Mary Russell and her husband, Sherlock Holmes, need is to help an old friend with her mad, missing aunt. Lady Vivian Beaconsfield has spent most of her adult life in one asylum after another, since the loss of her brother and father in the Great War. Although her mental state seemed to be improving, she's now disappeared after an outing from Bethlem Royal Hospital . . . better known as Bedlam.